3 years ago

PLEASE HELP ASAP!! I WILL BE AWARDING BRAINLIEST!!

Mathematics

1 answer:

dolphi86 [110]3 years ago

5 0

The answer here would be -3

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Question 21

horsena [70]

Answer:

A(x) = 6x² + 26x

Step-by-step explanation:

A(x) = 4x ( x + 10 ) - 2x ( 8 ) + $\frac{2x(x)}{2}$ + $\frac{2x(x+2)}{2}$

A(x) = 4x² + x² + x² + 40x - 16x + 2x

A(x) = 6x² + 26x

7 0

3 years ago

(02.02 MC) Triangle ABC is shown. A is at negative 2, 1. B is at negative 1, 4. C is at negative 4, 5. If triangle ABC is reflec

Bezzdna [24]

Given:

The vertices of a triangle ABC are A(-2,1), B(-1,4) and C(-4,5).

Triangle ABC is reflected over the x‐axis, reflected over the y‐axis, and rotated 180 degrees.

To find:

The point B'.

Solution:

If a figure reflected over x-axis, then

$(x,y)\to (x,-y)$

$B(-1,4)\to B_1(-1,-4)$

If a figure reflected over y-axis, then

$(x,y)\to (-x,y)$

$B_1(-1,-4)\to B_2(-(-1),-4)$

$B_1(-1,-4)\to B_2(1,-4)$

If a figure rotated 180 degrees about the origin, then

$(x,y)\to (-x,-y)$

$B_2(1,-4)\to B'(-(1),-(-4))$

$B_2(1,-4)\to B'(-1,4)$

So, the coordinate of point B' are (-1,4).

Therefore, the correct option is A.

6 0

3 years ago

Type your answer in the box. You may use numbers, a decimal point (.), and/or a negative sign (-) in your answer. Stella is rent

True [87]

420 blaze it

420 miles

5 0

3 years ago

HELP PLEASE!!!!!!! Asap Giving out brainliest! Which of the following has the greatest value?

Jlenok [28]

1/3^-2

You flip the denominator and the numerator to make the 3^-2 positive.

3^2/1= 3^2= 9

1/2^-3

2^3/1= 2^3= 8

I can already tell you that the negative exponents are not going to be as high in value.

3^-2= 1/3^2= 1/9
2^-3= 1/2^3= 1/8

1/3^-2 (the first option) <=== the highest in value

I hope this helps!
~kaikers

6 0

3 years ago

Solve the equation check for extraneous solutions. 9 (9-8x) = 2x +3

ra1l [238]

The answer is x = -3

4 0

3 years ago

Read 2 more answers